// return new or current assignment, or null to cancel current assignment, or do nothing is no current assignment
protected override IAssignment GetNewOrCurrentAssignment(ActionPriority priority)
{
if (priority == ActionPriority.High)
return this.CurrentAssignment;
var worker = this.Worker;
bool hasAssignment = this.CurrentAssignment != null;
bool hasOtherAssignment = this.CurrentAssignment == null && this.Worker.HasAction;
if (hasOtherAssignment)
return null;
switch (this.State)
{
case HervivoreAIState.Grazing:
{
var enemies = AIHelpers.FindEnemies(worker, LivingCategory.Carnivore | LivingCategory.Civilized | LivingCategory.Monster);
if (enemies.Any())
{
var fleeVector = GetFleeVector(enemies);
trace.TraceInformation("Changing to Flee state, v = {0}", fleeVector);
this.State = HervivoreAIState.Fleeing;
m_fleeFinishedTick = worker.World.TickNumber + FLEE_TIME;
m_fleeAssignment = new FleeMoveAssignment(this);
m_fleeAssignment.SetFleeVector(fleeVector);
return m_fleeAssignment;
}
if (hasAssignment)
return this.CurrentAssignment;
return new Dwarrowdelf.Jobs.Assignments.GrazeMoveAssignment(this, this.Group);
}
case HervivoreAIState.Fleeing:
{
var enemies = AIHelpers.FindEnemies(worker, LivingCategory.Carnivore | LivingCategory.Civilized | LivingCategory.Monster);
if (enemies.Any())
{
var fleeVector = GetFleeVector(enemies);
trace.TraceInformation("Updating fleevector: {0}", fleeVector);
m_fleeFinishedTick = worker.World.TickNumber + FLEE_TIME;
m_fleeAssignment.SetFleeVector(fleeVector);
return m_fleeAssignment;
}
else if (worker.World.TickNumber < m_fleeFinishedTick)
{
trace.TraceInformation("Continue fleeing");
return m_fleeAssignment;
}
else
{
m_fleeAssignment.Abort();
trace.TraceInformation("Changing to Graze state");
this.State = HervivoreAIState.Grazing;
return new Dwarrowdelf.Jobs.Assignments.GrazeMoveAssignment(this, this.Group);
}
}
default:
throw new Exception();
}
}
public void OnObservableJobStatusChanged(IJob job, JobStatus status)
{
if (m_fleeAssignment != null && job == m_fleeAssignment)
m_fleeAssignment = null;
}